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3-Heights® PDF Optimizer Service

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3-Heights® PDF Optimizer Service User Manual 3­Heights® PDF Optimizer Service Version 6.18.0 Contents 1 Introduction ........................................................................ 4 1.1 Description .......................................................................... 4 1.2 Functions ........................................................................... 4 1.2.1 Features ......................................................................... 5 1.2.2 Formats ......................................................................... 6 1.2.3 Conformance .................................................................... 6 1.3 Service .............................................................................. 6 1.4 Operating Systems .................................................................... 6 2 Installation ......................................................................... 7 2.1 Overview ............................................................................ 7 2.2 Windows ............................................................................ 7 2.3 Uninstall ............................................................................ 7 2.4 Color Profiles ......................................................................... 7 2.4.1 Default Color Profiles .............................................................. 8 2.4.2 Get Other Color Profiles ............................................................ 8 2.5 Note about the Evaluation License ....................................................... 8 3 License Management ................................................................. 9 3.1 License Features ..................................................................... 9 4 Getting Started ..................................................................... 10 4.1 Configuration ....................................................................... 10 4.1.1 Retrieve Information about Available Options and Settings .............................. 10 4.2 Managing the Service ................................................................ 11 4.2.1 State Diagram of the Service ....................................................... 12 4.3 Using the Service .................................................................... 13 4.4 Log Files ........................................................................... 13 5 Optimization Process ................................................................ 14 5.1 How to Optimize PDF Documents ....................................................... 14 5.1.1 Identify Target Application Area .................................................... 14 Web ....................................................................... 14 Printing .................................................................... 14 Archiving ................................................................... 15 Scanned Documents ......................................................... 15 Special Requirements ......................................................... 15 5.1.2 Using Optimization Profiles ........................................................ 15 5.2 Optimizing Images ................................................................... 16 5.2.1 Supported Image Compression Types ............................................... 16 No Compression (Raw) ........................................................ 16 DCT (JPEG) ................................................................. 17 Flate (ZIP) .................................................................. 17 LZW ....................................................................... 17 CCITT Fax Group 3 and 4 ...................................................... 18 JBIG2 ...................................................................... 18 JPEG2000 .................................................................. 19 5.2.2 Relevant Factors for the File Size .................................................... 19 5.2.3 Provided Features for Optimizing Images ............................................. 20 © PDF Tools AG – Premium PDF Technology 3­Heights® PDF Optimizer Service, September 16, 2021 | 1/56 5.2.4 Mixed Raster Content (MRC) Optimization for Images ................................... 21 Phase 1: Cutting out Pictures ................................................... 22 Phase 2: Separation into Layers ................................................. 22 Phase 3: Reconstruction ....................................................... 23 5.3 Optimizing Fonts .................................................................... 23 6 Interface Reference ................................................................. 24 6.1 Service Control Commands ............................................................ 24 6.1.1 ­a Pause Service ................................................................ 24 6.1.2 ­c Create Service ............................................................... 24 6.1.3 ­d Delete Service ............................................................... 24 6.1.4 ­i List the Usage ............................................................... 24 6.1.5 ­o Continue Service ............................................................. 25 6.1.6 ­q Query Current Status of Service ................................................. 25 6.1.7 ­s Start Service ................................................................. 25 6.1.8 ­t Stop Service ................................................................. 25 6.1.9 ­x Run as Executable ............................................................ 25 6.2 Configuration options ................................................................ 26 6.2.1 Configuration File pdfoptimizesvr.ini ................................................ 26 Autodelete of Successfully Processed Files ........................................ 26 Job Number Prefix ........................................................... 27 Logpath .................................................................... 27 Polling Interval .............................................................. 28 6.2.2 ­w Specify the Path to the Root Directory ............................................ 28 6.2.3 ­wd Specify the Drop Path ........................................................ 28 6.2.4 ­wfi Ignore Files with Certain Extensions ........................................... 29 6.2.5 ­wfs Process only Files with Certain Extensions ...................................... 29 6.3 Profile Settings ...................................................................... 29 6.4 Optimization Options ................................................................ 32 6.4.1 ­c Set the Color Conversion ....................................................... 33 6.4.2 ­cff Compress Type1 fonts (convert to CFF) ......................................... 33 6.4.3 ­cms Set the Color Management Engine ............................................ 33 6.4.4 Resolution Values per Image Type ................................................... 34 6.4.5 Threshold Values per Image Type ................................................... 35 6.4.6 ­dr Resolution in DPI ............................................................ 35 6.4.7 ­dt Threshold in DPI ............................................................ 36 6.4.8 ­fb Compression Types for Bi­tonal Images .......................................... 36 6.4.9 ­fc Compression Types for Color and Grayscale Images ................................ 37 6.4.10 ­ff Force Re­Compression ....................................................... 38 6.4.11 ­fi Compression Types for Indexed (Paletted) Images ................................. 38 6.4.12 ­ft Force Compression Types ..................................................... 39 6.4.13 ­fv Minimum PDF Version ........................................................ 39 6.4.14 ­h Dithering Mode for Bi­Tonal Images .............................................. 39 6.4.15 ­id Set Value in the Document Information Dictionary ................................ 40 6.4.16 ­m Merge Embedded Font Programs ................................................ 40 6.4.17 ­ml Compression Type for MRC Layers .............................................. 40 6.4.18 ­mlq Image Quality for MRC Layers ................................................ 41 6.4.19 ­mlr Resolution in DPI for MRC Layers .............................................. 41 6.4.20 ­mm Compression Type for the MRC Mask ............................................ 41 6.4.21 ­mp Compression Type for MRC Cut­Out Pictures ...................................... 41 6.4.22 ­o Owner Password ............................................................. 42 6.4.23 ­oc Clip Images ................................................................ 42 © PDF Tools AG – Premium PDF Technology 3­Heights® PDF Optimizer Service, September 16, 2021 | 2/56 6.4.24 ­od Optimize Resources .......................................................... 42 6.4.25 ­ol Linearize Only .............................................................. 42 6.4.26 ­or Remove Redundant Objects ................................................... 43 6.4.27 ­ow Optimize for the Web ........................................................ 43 6.4.28 ­owa Automaticall Optimize for the Web ............................................ 43 6.4.29 ­p Permission Flags ............................................................. 44 6.4.30 ­pr Set an Optimization Profile ...................................................
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